Zogulitsa zomwe zakhazikitsidwa ndi Shantui zazikulu zogulitsa ma grader: SG16-C5, SG18-C5 ndi SG21-C5 grader.
C5 grader imatengera kufunikira kwa msika, poganizira kusinthasintha kwa magawo, mawonekedwe ndi magwiridwe antchito amakina onse amakwezedwa.Panthawi imodzimodziyo, zochitika zogwirira ntchito zakhala zikuyenda bwino kwambiri